/****************************************************************************** * * Copyright (C) 2009-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * * Filename: hardware.c * * Description: Contains controller-specific functions, like * firmware patch download * low power mode operations * ******************************************************************************/ #define LOG_TAG "bt_hwcfg" #include #include #include #include #include #include #include #include #include #include #include #include "bt_hci_bdroid.h" #include "bt_vendor_brcm.h" #include "userial.h" #include "userial_vendor.h" #include "upio.h" /****************************************************************************** ** Constants & Macros ******************************************************************************/ #ifndef BTHW_DBG #define BTHW_DBG FALSE #endif #if (BTHW_DBG == TRUE) #define BTHWDBG(param, ...) {ALOGD(param, ## __VA_ARGS__);} #else #define BTHWDBG(param, ...) {} #endif #define FW_PATCHFILE_EXTENSION ".hcd" #define FW_PATCHFILE_EXTENSION_LEN 4 #define FW_PATCHFILE_PATH_MAXLEN 248 /* Local_Name length of return of HCI_Read_Local_Name */ #define HCI_CMD_MAX_LEN 258 #define HCI_RESET 0x0C03 #define HCI_VSC_WRITE_UART_CLOCK_SETTING 0xFC45 #define HCI_VSC_UPDATE_BAUDRATE 0xFC18 #define HCI_READ_LOCAL_NAME 0x0C14 #define HCI_VSC_DOWNLOAD_MINIDRV 0xFC2E #define HCI_VSC_WRITE_BD_ADDR 0xFC01 #define HCI_VSC_WRITE_SLEEP_MODE 0xFC27 #define HCI_VSC_WRITE_SCO_PCM_INT_PARAM 0xFC1C #define HCI_VSC_WRITE_PCM_DATA_FORMAT_PARAM 0xFC1E #define HCI_VSC_WRITE_I2SPCM_INTERFACE_PARAM 0xFC6D #define HCI_VSC_LAUNCH_RAM 0xFC4E #define HCI_READ_LOCAL_BDADDR 0x1009 #define HCI_EVT_CMD_CMPL_STATUS_RET_BYTE 5 #define HCI_EVT_CMD_CMPL_LOCAL_NAME_STRING 6 #define HCI_EVT_CMD_CMPL_LOCAL_BDADDR_ARRAY 6 #define HCI_EVT_CMD_CMPL_OPCODE 3 #define LPM_CMD_PARAM_SIZE 12 #define UPDATE_BAUDRATE_CMD_PARAM_SIZE 6 #define HCI_CMD_PREAMBLE_SIZE 3 #define HCD_REC_PAYLOAD_LEN_BYTE 2 #define BD_ADDR_LEN 6 #define LOCAL_NAME_BUFFER_LEN 32 #define LOCAL_BDADDR_PATH_BUFFER_LEN 256 #define STREAM_TO_UINT16(u16, p) {u16 = ((uint16_t)(*(p)) + (((uint16_t)(*((p) + 1))) << 8)); (p) += 2;} #define UINT16_TO_STREAM(p, u16) {*(p)++ = (uint8_t)(u16); *(p)++ = (uint8_t)((u16) >> 8);} #define UINT32_TO_STREAM(p, u32) {*(p)++ = (uint8_t)(u32); *(p)++ = (uint8_t)((u32) >> 8); *(p)++ = (uint8_t)((u32) >> 16); *(p)++ = (uint8_t)((u32) >> 24);} #if (USE_AXI_BRIDGE_LOCK == TRUE) #define BTLOCK_DEV "/dev/btlock" static int btlock_cookie = 'B' | 'T'<<8 | '3'<<16 | '5'<<24; struct btlock { int lock; int cookie; }; #endif /****************************************************************************** ** Local type definitions ******************************************************************************/ /* Hardware Configuration State */ enum { HW_CFG_START = 1, HW_CFG_SET_UART_CLOCK, HW_CFG_SET_UART_BAUD_1, HW_CFG_READ_LOCAL_NAME, HW_CFG_DL_MINIDRIVER, HW_CFG_DL_FW_PATCH, HW_CFG_SET_UART_BAUD_2, HW_CFG_SET_BD_ADDR, HW_CFG_DL_FW_PRE_PATCH #if (USE_CONTROLLER_BDADDR == TRUE) , HW_CFG_READ_BD_ADDR #endif }; /* h/w config control block */ typedef struct { uint8_t state; /* Hardware configuration state */ int fw_fd; /* FW patch file fd */ uint8_t f_set_baud_2; /* Baud rate switch state */ char local_chip_name[LOCAL_NAME_BUFFER_LEN]; } bt_hw_cfg_cb_t; /* low power mode parameters */ typedef struct { uint8_t sleep_mode; /* 0(disable),1(UART),9(H5) */ uint8_t host_stack_idle_threshold; /* Unit scale 300ms/25ms */ uint8_t host_controller_idle_threshold; /* Unit scale 300ms/25ms */ uint8_t bt_wake_polarity; /* 0=Active Low, 1= Active High */ uint8_t host_wake_polarity; /* 0=Active Low, 1= Active High */ uint8_t allow_host_sleep_during_sco; uint8_t combine_sleep_mode_and_lpm; uint8_t enable_uart_txd_tri_state; /* UART_TXD Tri-State */ uint8_t sleep_guard_time; /* sleep guard time in 12.5ms */ uint8_t wakeup_guard_time; /* wakeup guard time in 12.5ms */ uint8_t txd_config; /* TXD is high in sleep state */ uint8_t pulsed_host_wake; /* pulsed host wake if mode = 1 */ } bt_lpm_param_t; /* Firmware re-launch settlement time */ typedef struct { const char *chipset_name; const uint32_t delay_time; } fw_settlement_entry_t; /****************************************************************************** ** Externs ******************************************************************************/ void hw_config_cback(void *p_evt_buf); extern uint8_t vnd_local_bd_addr[BD_ADDR_LEN]; /****************************************************************************** ** Static variables ******************************************************************************/ static char fw_patchfile_path[256] = FW_PATCHFILE_LOCATION; static char fw_patchfile_name[128] = { 0 }; static char fw_prepatch_name[384] = FW_PRE_PATCH; #if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE) static int fw_patch_settlement_delay = -1; #endif static bt_hw_cfg_cb_t hw_cfg_cb; static bt_lpm_param_t lpm_param = { LPM_SLEEP_MODE, LPM_IDLE_THRESHOLD, LPM_HC_IDLE_THRESHOLD, LPM_BT_WAKE_POLARITY, LPM_HOST_WAKE_POLARITY, LPM_ALLOW_HOST_SLEEP_DURING_SCO, LPM_COMBINE_SLEEP_MODE_AND_LPM, LPM_ENABLE_UART_TXD_TRI_STATE, 0, /* not applicable */ 0, /* not applicable */ 0, /* not applicable */ LPM_PULSED_HOST_WAKE }; #if (!defined(SCO_USE_I2S_INTERFACE) || (SCO_USE_I2S_INTERFACE == FALSE)) static uint8_t bt_sco_param[SCO_PCM_PARAM_SIZE] = { SCO_PCM_ROUTING, SCO_PCM_IF_CLOCK_RATE, SCO_PCM_IF_FRAME_TYPE, SCO_PCM_IF_SYNC_MODE, SCO_PCM_IF_CLOCK_MODE }; static uint8_t bt_pcm_data_fmt_param[PCM_DATA_FORMAT_PARAM_SIZE] = { PCM_DATA_FMT_SHIFT_MODE, PCM_DATA_FMT_FILL_BITS, PCM_DATA_FMT_FILL_METHOD, PCM_DATA_FMT_FILL_NUM, PCM_DATA_FMT_JUSTIFY_MODE }; #else static uint8_t bt_sco_param[SCO_I2SPCM_PARAM_SIZE] = { SCO_I2SPCM_IF_MODE, SCO_I2SPCM_IF_ROLE, SCO_I2SPCM_IF_SAMPLE_RATE, SCO_I2SPCM_IF_CLOCK_RATE }; #endif /* * The look-up table of recommended firmware settlement delay (milliseconds) on * known chipsets. */ static const fw_settlement_entry_t fw_settlement_table[] = { {"BCM43241", 200}, {(const char *) NULL, 100} // Giving the generic fw settlement delay setting. }; /****************************************************************************** ** Static functions ******************************************************************************/ /****************************************************************************** ** Controller Initialization Static Functions ******************************************************************************/ /******************************************************************************* ** ** Function look_up_fw_settlement_delay ** ** Description If FW_PATCH_SETTLEMENT_DELAY_MS has not been explicitly ** re-defined in the platform specific build-time configuration ** file, we will search into the look-up table for a ** recommended firmware settlement delay value. ** ** Although the settlement time might be also related to board ** configurations such as the crystal clocking speed. ** ** Returns Firmware settlement delay ** *******************************************************************************/ uint32_t look_up_fw_settlement_delay (void) { uint32_t ret_value; fw_settlement_entry_t *p_entry; if (FW_PATCH_SETTLEMENT_DELAY_MS > 0) { ret_value = FW_PATCH_SETTLEMENT_DELAY_MS; } #if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE) else if (fw_patch_settlement_delay >= 0) { ret_value = fw_patch_settlement_delay; } #endif else { p_entry = (fw_settlement_entry_t *)fw_settlement_table; while (p_entry->chipset_name != NULL) { if (strstr(hw_cfg_cb.local_chip_name, p_entry->chipset_name)!=NULL) { break; } p_entry++; } ret_value = p_entry->delay_time; } BTHWDBG( "Settlement delay -- %d ms", ret_value); return (ret_value); } /******************************************************************************* ** ** Function ms_delay ** ** Description sleep unconditionally for timeout milliseconds ** ** Returns None ** *******************************************************************************/ void ms_delay (uint32_t timeout) { struct timespec delay; int err; if (timeout == 0) return; delay.tv_sec = timeout / 1000; delay.tv_nsec = 1000 * 1000 * (timeout%1000); /* [u]sleep can't be used because it uses SIGALRM */ do { err = nanosleep(&delay, &delay); } while (err < 0 && errno ==EINTR); } /******************************************************************************* ** ** Function line_speed_to_userial_baud ** ** Description helper function converts line speed number into USERIAL baud ** rate symbol ** ** Returns unit8_t (USERIAL baud symbol) ** *******************************************************************************/ uint8_t line_speed_to_userial_baud(uint32_t line_speed) { uint8_t baud; if (line_speed == 4000000) baud = USERIAL_BAUD_4M; else if (line_speed == 3000000) baud = USERIAL_BAUD_3M; else if (line_speed == 2000000) baud = USERIAL_BAUD_2M; else if (line_speed == 1000000) baud = USERIAL_BAUD_1M; else if (line_speed == 921600) baud = USERIAL_BAUD_921600; else if (line_speed == 460800) baud = USERIAL_BAUD_460800; else if (line_speed == 230400) baud = USERIAL_BAUD_230400; else if (line_speed == 115200) baud = USERIAL_BAUD_115200; else if (line_speed == 57600) baud = USERIAL_BAUD_57600; else if (line_speed == 19200) baud = USERIAL_BAUD_19200; else if (line_speed == 9600) baud = USERIAL_BAUD_9600; else if (line_speed == 1200) baud = USERIAL_BAUD_1200; else if (line_speed == 600) baud = USERIAL_BAUD_600; else { ALOGE( "userial vendor: unsupported baud speed %d", line_speed); baud = USERIAL_BAUD_115200; } return baud; } /******************************************************************************* ** ** Function hw_strncmp ** ** Description Used to compare two strings in caseless ** ** Returns 0: match, otherwise: not match ** *******************************************************************************/ static int hw_strncmp (const char *p_str1, const char *p_str2, const int len) { int i; if (!p_str1 || !p_str2) return (1); for (i = 0; i < len; i++) { if (toupper(p_str1[i]) != toupper(p_str2[i])) return (i+1); } return 0; } /******************************************************************************* ** ** Function hw_config_findpatch ** ** Description Search for a proper firmware patch file ** The selected firmware patch file name with full path ** will be stored in the input string parameter, i.e. ** p_chip_id_str, when returns. ** ** Returns TRUE when found the target patch file, otherwise FALSE ** *******************************************************************************/ static uint8_t hw_config_findpatch(char *p_chip_id_str) { DIR *dirp; struct dirent *dp; int filenamelen; uint8_t retval = FALSE; BTHWDBG("Target name = [%s]", p_chip_id_str); if (strlen(fw_patchfile_name)> 0) { /* If specific filepath and filename have been given in run-time * configuration /etc/bluetooth/bt_vendor.conf file, we will use them * to concatenate the filename to open rather than searching a file * matching to chipset name in the fw_patchfile_path folder. */ sprintf(p_chip_id_str, "%s", fw_patchfile_path); if (fw_patchfile_path[strlen(fw_patchfile_path)- 1] != '/') { strcat(p_chip_id_str, "/"); } strcat(p_chip_id_str, fw_patchfile_name); ALOGI("FW patchfile: %s", p_chip_id_str); return TRUE; } if ((dirp = opendir(fw_patchfile_path)) != NULL) { /* Fetch next filename in patchfile directory */ while ((dp = readdir(dirp)) != NULL) { /* Check if filename starts with chip-id name */ if ((hw_strncmp(dp->d_name, p_chip_id_str, strlen(p_chip_id_str)) \ ) == 0) { /* Check if it has .hcd extenstion */ filenamelen = strlen(dp->d_name); if ((filenamelen >= FW_PATCHFILE_EXTENSION_LEN) && ((hw_strncmp( &dp->d_name[filenamelen-FW_PATCHFILE_EXTENSION_LEN], \ FW_PATCHFILE_EXTENSION, \ FW_PATCHFILE_EXTENSION_LEN) \ ) == 0)) { ALOGI("Found patchfile: %s/%s", \ fw_patchfile_path, dp->d_name); /* Make sure length does not exceed maximum */ if ((filenamelen + strlen(fw_patchfile_path)) > \ FW_PATCHFILE_PATH_MAXLEN) { ALOGE("Invalid patchfile name (too long)"); } else { memset(p_chip_id_str, 0, FW_PATCHFILE_PATH_MAXLEN); /* Found patchfile. Store location and name */ strcpy(p_chip_id_str, fw_patchfile_path); if (fw_patchfile_path[ \ strlen(fw_patchfile_path)- 1 \ ] != '/') { strcat(p_chip_id_str, "/"); } strcat(p_chip_id_str, dp->d_name); retval = TRUE; } break; } } } closedir(dirp); if (retval == FALSE) { /* Try again chip name without revision info */ int len = strlen(p_chip_id_str); char *p = p_chip_id_str + len - 1; /* Scan backward and look for the first alphabet which is not M or m */ while (len > 3) // BCM**** { if ((isdigit(*p)==0) && (*p != 'M') && (*p != 'm')) break; p--; len--; } if (len > 3) { *p = 0; retval = hw_config_findpatch(p_chip_id_str); } } } else { ALOGE("Could not open %s", fw_patchfile_path); } return (retval); } uint8_t hw_config_checkpatches(void) { char fw_patchfile_chip_name[256] = FW_PATCHFILE_CHIP_NAME; struct stat fw_prepatch_stat; uint8_t found; int rc; if (strlen(fw_prepatch_name) > 0) { rc = stat(fw_prepatch_name, &fw_prepatch_stat); if (rc < 0) { ALOGE("Prepatch firmware is missing"); return FALSE; } } found = hw_config_findpatch(fw_patchfile_chip_name); if (found == FALSE) { ALOGE("Patch firmware is missing"); return FALSE; } return TRUE; } /******************************************************************************* ** ** Function hw_config_set_bdaddr ** ** Description Program controller's Bluetooth Device Address ** ** Returns TRUE, if valid address is sent ** FALSE, otherwise ** *******************************************************************************/ static uint8_t hw_config_set_bdaddr(HC_BT_HDR *p_buf) { uint8_t retval = FALSE; uint8_t *p = (uint8_t *) (p_buf + 1); ALOGI("Setting local bd addr to %02X:%02X:%02X:%02X:%02X:%02X", vnd_local_bd_addr[0], vnd_local_bd_addr[1], vnd_local_bd_addr[2], vnd_local_bd_addr[3], vnd_local_bd_addr[4], vnd_local_bd_addr[5]); UINT16_TO_STREAM(p, HCI_VSC_WRITE_BD_ADDR); *p++ = BD_ADDR_LEN; /* parameter length */ *p++ = vnd_local_bd_addr[5]; *p++ = vnd_local_bd_addr[4]; *p++ = vnd_local_bd_addr[3]; *p++ = vnd_local_bd_addr[2]; *p++ = vnd_local_bd_addr[1]; *p = vnd_local_bd_addr[0]; p_buf->len = HCI_CMD_PREAMBLE_SIZE + BD_ADDR_LEN; hw_cfg_cb.state = HW_CFG_SET_BD_ADDR; retval = bt_vendor_cbacks->xmit_cb(HCI_VSC_WRITE_BD_ADDR, p_buf, \ hw_config_cback); return (retval); } #if (USE_CONTROLLER_BDADDR == TRUE) /******************************************************************************* ** ** Function hw_config_read_bdaddr ** ** Description Read controller's Bluetooth Device Address ** ** Returns TRUE, if valid address is sent ** FALSE, otherwise ** *******************************************************************************/ static uint8_t hw_config_read_bdaddr(HC_BT_HDR *p_buf) { uint8_t retval = FALSE; uint8_t *p = (uint8_t *) (p_buf + 1); UINT16_TO_STREAM(p, HCI_READ_LOCAL_BDADDR); *p = 0; /* parameter length */ p_buf->len = HCI_CMD_PREAMBLE_SIZE; hw_cfg_cb.state = HW_CFG_READ_BD_ADDR; retval = bt_vendor_cbacks->xmit_cb(HCI_READ_LOCAL_BDADDR, p_buf, \ hw_config_cback); return (retval); } #endif // (USE_CONTROLLER_BDADDR == TRUE) #if (USE_AXI_BRIDGE_LOCK == TRUE) /******************************************************************************* ** ** Function axi_bridge_lock ** ** Description Take semaphore to prevent concurrent BT/WiFi firmware loading ** *******************************************************************************/ void axi_bridge_lock(int locked) { int fd = -1; struct btlock lock; int ret = 0; ALOGI("axi_bridge_lock: locked=%d", locked); fd = open(BTLOCK_DEV, O_WRONLY); if (fd < 0) { ALOGE("axi_bridge_lock open failed: %s (%d)", strerror(errno), errno); return; } lock.lock = locked; lock.cookie = btlock_cookie; if (locked) { while ((ret = write(fd, &lock, sizeof(lock))) != 0) { ALOGE("axi_bridge_lock acquire: %s (%d)", strerror(errno), errno); usleep(10000); } } else { if (write(fd, &lock, sizeof(lock)) < 0) { ALOGE("axi_bridge_lock write failed: %s (%d)", strerror(errno), errno); } } if (fd >= 0) close(fd); } #endif // USE_AXI_BRIDGE_LOCK /******************************************************************************* ** ** Function hw_config_cback ** ** Description Callback function for controller configuration ** ** Returns None ** *******************************************************************************/ void hw_config_cback(void *p_mem) { HC_BT_HDR *p_evt_buf = (HC_BT_HDR *) p_mem; char *p_name, *p_tmp; uint8_t *p, status; uint16_t opcode; HC_BT_HDR *p_buf=NULL; uint8_t is_proceeding = FALSE; int i; #if (USE_CONTROLLER_BDADDR == TRUE) const uint8_t null_bdaddr[BD_ADDR_LEN] = {0,0,0,0,0,0}; #endif status = *((uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_STATUS_RET_BYTE); p = (uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_OPCODE; STREAM_TO_UINT16(opcode,p); /* Ask a new buffer big enough to hold any HCI commands sent in here */ if ((status == 0) && bt_vendor_cbacks) p_buf = (HC_BT_HDR *) bt_vendor_cbacks->alloc(BT_HC_HDR_SIZE + \ HCI_CMD_MAX_LEN); if (p_buf != NULL) { p_buf->event = MSG_STACK_TO_HC_HCI_CMD; p_buf->offset = 0; p_buf->len = 0; p_buf->layer_specific = 0; p = (uint8_t *) (p_buf + 1); switch (hw_cfg_cb.state) { case HW_CFG_SET_UART_BAUD_1: /* update baud rate of host's UART port */ ALOGI("bt vendor lib: set UART baud %i", UART_TARGET_BAUD_RATE); userial_vendor_set_baud( \ line_speed_to_userial_baud(UART_TARGET_BAUD_RATE) \ ); hw_cfg_cb.fw_fd = -1; // load the prepatch if (strlen(fw_prepatch_name) && (hw_cfg_cb.fw_fd = open(fw_prepatch_name, O_RDONLY)) > -1) { ALOGI("bt vendor lib: loading prepatch %s", fw_prepatch_name); } hw_cfg_cb.state = HW_CFG_DL_FW_PRE_PATCH; // intentional fallthru case HW_CFG_DL_FW_PRE_PATCH: if (hw_cfg_cb.fw_fd > -1) { p_buf->len = read(hw_cfg_cb.fw_fd, p, HCI_CMD_PREAMBLE_SIZE); if (p_buf->len > 0) { if ((p_buf->len < HCI_CMD_PREAMBLE_SIZE) || \ (opcode == HCI_VSC_LAUNCH_RAM)) { ALOGW("firmware patch file might be altered!"); } else { p_buf->len += read(hw_cfg_cb.fw_fd, \ p+HCI_CMD_PREAMBLE_SIZE,\ *(p+HCD_REC_PAYLOAD_LEN_BYTE)); STREAM_TO_UINT16(opcode,p); is_proceeding = bt_vendor_cbacks->xmit_cb(opcode, \ p_buf, hw_config_cback); break; } } close(hw_cfg_cb.fw_fd); hw_cfg_cb.fw_fd = -1; } /* read local name */ UINT16_TO_STREAM(p, HCI_READ_LOCAL_NAME); *p = 0; /* parameter length */ p_buf->len = HCI_CMD_PREAMBLE_SIZE; hw_cfg_cb.state = HW_CFG_READ_LOCAL_NAME; is_proceeding = bt_vendor_cbacks->xmit_cb(HCI_READ_LOCAL_NAME, \ p_buf, hw_config_cback); break; case HW_CFG_READ_LOCAL_NAME: p_tmp = p_name = (char *) (p_evt_buf + 1) + \ HCI_EVT_CMD_CMPL_LOCAL_NAME_STRING; for (i=0; (i < LOCAL_NAME_BUFFER_LEN)||(*(p_name+i) != 0); i++) *(p_name+i) = toupper(*(p_name+i)); if ((p_name = strstr(p_name, "BCM")) != NULL) { strncpy(hw_cfg_cb.local_chip_name, p_name, \ LOCAL_NAME_BUFFER_LEN-1); } else { strncpy(hw_cfg_cb.local_chip_name, "UNKNOWN", \ LOCAL_NAME_BUFFER_LEN-1); p_name = p_tmp; } hw_cfg_cb.local_chip_name[LOCAL_NAME_BUFFER_LEN-1] = 0; BTHWDBG("Chipset %s", hw_cfg_cb.local_chip_name); if ((status = hw_config_findpatch(p_name)) == TRUE) { if ((hw_cfg_cb.fw_fd = open(p_name, O_RDONLY)) == -1) { ALOGE("vendor lib preload failed to open [%s]", p_name); } else { /* vsc_download_minidriver */ UINT16_TO_STREAM(p, HCI_VSC_DOWNLOAD_MINIDRV); *p = 0; /* parameter length */ p_buf->len = HCI_CMD_PREAMBLE_SIZE; hw_cfg_cb.state = HW_CFG_DL_MINIDRIVER; is_proceeding = bt_vendor_cbacks->xmit_cb( \ HCI_VSC_DOWNLOAD_MINIDRV, p_buf, \ hw_config_cback); } } else { ALOGE( \ "vendor lib preload failed to locate firmware patch file" \ ); } if (is_proceeding == FALSE) { #if (BLUETOOTH_HCI_USE_USB == TRUE) is_proceeding = hw_config_read_bdaddr(p_buf); #else is_proceeding = hw_config_set_bdaddr(p_buf); #endif } break; case HW_CFG_DL_MINIDRIVER: /* give time for placing firmware in download mode */ ms_delay(50); hw_cfg_cb.state = HW_CFG_DL_FW_PATCH; /* fall through intentionally */ case HW_CFG_DL_FW_PATCH: p_buf->len = read(hw_cfg_cb.fw_fd, p, HCI_CMD_PREAMBLE_SIZE); if (p_buf->len > 0) { if ((p_buf->len < HCI_CMD_PREAMBLE_SIZE) || \ (opcode == HCI_VSC_LAUNCH_RAM)) { ALOGW("firmware patch file might be altered!"); } else { p_buf->len += read(hw_cfg_cb.fw_fd, \ p+HCI_CMD_PREAMBLE_SIZE,\ *(p+HCD_REC_PAYLOAD_LEN_BYTE)); STREAM_TO_UINT16(opcode,p); is_proceeding = bt_vendor_cbacks->xmit_cb(opcode, \ p_buf, hw_config_cback); break; } } close(hw_cfg_cb.fw_fd); hw_cfg_cb.fw_fd = -1; #if (USE_AXI_BRIDGE_LOCK == TRUE) axi_bridge_lock(0); #endif /* Normally the firmware patch configuration file * sets the new starting baud rate at 115200. * So, we need update host's baud rate accordingly. */ ALOGI("bt vendor lib: set UART baud 115200"); userial_vendor_set_baud(USERIAL_BAUD_115200); /* Next, we would like to boost baud rate up again * to desired working speed. */ hw_cfg_cb.f_set_baud_2 = TRUE; /* Check if we need to pause a few hundred milliseconds * before sending down any HCI command. */ ms_delay(look_up_fw_settlement_delay()); /* fall through intentionally */ case HW_CFG_START: #if (BLUETOOTH_HCI_USE_USB == TRUE) /* read local name */ UINT16_TO_STREAM(p, HCI_READ_LOCAL_NAME); *p = 0; /* parameter length */ p_buf->len = HCI_CMD_PREAMBLE_SIZE; hw_cfg_cb.state = HW_CFG_READ_LOCAL_NAME; is_proceeding = bt_vendor_cbacks->xmit_cb(HCI_READ_LOCAL_NAME, \ p_buf, hw_config_cback); break; #endif if (UART_TARGET_BAUD_RATE > 3000000) { /* set UART clock to 48MHz */ UINT16_TO_STREAM(p, HCI_VSC_WRITE_UART_CLOCK_SETTING); *p++ = 1; /* parameter length */ *p = 1; /* (1,"UART CLOCK 48 MHz")(2,"UART CLOCK 24 MHz") */ p_buf->len = HCI_CMD_PREAMBLE_SIZE + 1; hw_cfg_cb.state = HW_CFG_SET_UART_CLOCK; is_proceeding = bt_vendor_cbacks->xmit_cb( \ HCI_VSC_WRITE_UART_CLOCK_SETTING, \ p_buf, hw_config_cback); break; } /* fall through intentionally */ case HW_CFG_SET_UART_CLOCK: /* set controller's UART baud rate to 3M */ UINT16_TO_STREAM(p, HCI_VSC_UPDATE_BAUDRATE); *p++ = UPDATE_BAUDRATE_CMD_PARAM_SIZE; /* parameter length */ *p++ = 0; /* encoded baud rate */ *p++ = 0; /* use encoded form */ UINT32_TO_STREAM(p, UART_TARGET_BAUD_RATE); p_buf->len = HCI_CMD_PREAMBLE_SIZE + \ UPDATE_BAUDRATE_CMD_PARAM_SIZE; hw_cfg_cb.state = (hw_cfg_cb.f_set_baud_2) ? \ HW_CFG_SET_UART_BAUD_2 : HW_CFG_SET_UART_BAUD_1; is_proceeding = bt_vendor_cbacks->xmit_cb(HCI_VSC_UPDATE_BAUDRATE, \ p_buf, hw_config_cback); break; case HW_CFG_SET_UART_BAUD_2: /* update baud rate of host's UART port */ ALOGI("bt vendor lib: set UART baud %i", UART_TARGET_BAUD_RATE); userial_vendor_set_baud( \ line_speed_to_userial_baud(UART_TARGET_BAUD_RATE) \ ); #if (USE_CONTROLLER_BDADDR == TRUE) if ((is_proceeding = hw_config_read_bdaddr(p_buf)) == TRUE) break; #else if ((is_proceeding = hw_config_set_bdaddr(p_buf)) == TRUE) break; #endif /* fall through intentionally */ case HW_CFG_SET_BD_ADDR: ALOGI("vendor lib fwcfg completed"); bt_vendor_cbacks->dealloc(p_buf); bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_SUCCESS); hw_cfg_cb.state = 0; if (hw_cfg_cb.fw_fd != -1) { close(hw_cfg_cb.fw_fd); hw_cfg_cb.fw_fd = -1; } is_proceeding = TRUE; break; #if (USE_CONTROLLER_BDADDR == TRUE) case HW_CFG_READ_BD_ADDR: p_tmp = (char *) (p_evt_buf + 1) + \ HCI_EVT_CMD_CMPL_LOCAL_BDADDR_ARRAY; if (memcmp(p_tmp, null_bdaddr, BD_ADDR_LEN) == 0) { // Controller does not have a valid OTP BDADDR! // Set the BTIF initial BDADDR instead. if ((is_proceeding = hw_config_set_bdaddr(p_buf)) == TRUE) break; } else { ALOGI("Controller OTP bdaddr %02X:%02X:%02X:%02X:%02X:%02X", *(p_tmp+5), *(p_tmp+4), *(p_tmp+3), *(p_tmp+2), *(p_tmp+1), *p_tmp); } ALOGI("vendor lib fwcfg completed"); bt_vendor_cbacks->dealloc(p_buf); bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_SUCCESS); hw_cfg_cb.state = 0; if (hw_cfg_cb.fw_fd != -1) { close(hw_cfg_cb.fw_fd); hw_cfg_cb.fw_fd = -1; } is_proceeding = TRUE; break; #endif // (USE_CONTROLLER_BDADDR == TRUE) } // switch(hw_cfg_cb.state) } // if (p_buf != NULL) /* Free the RX event buffer */ if (bt_vendor_cbacks) bt_vendor_cbacks->dealloc(p_evt_buf); if (is_proceeding == FALSE) { ALOGE("vendor lib fwcfg aborted!!!"); if (bt_vendor_cbacks) { if (p_buf != NULL) bt_vendor_cbacks->dealloc(p_buf); bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_FAIL); } if (hw_cfg_cb.fw_fd != -1) { close(hw_cfg_cb.fw_fd); hw_cfg_cb.fw_fd = -1; } hw_cfg_cb.state = 0; } } /****************************************************************************** ** LPM Static Functions ******************************************************************************/ /******************************************************************************* ** ** Function hw_lpm_ctrl_cback ** ** Description Callback function for lpm enable/disable rquest ** ** Returns None ** *******************************************************************************/ void hw_lpm_ctrl_cback(void *p_mem) { HC_BT_HDR *p_evt_buf = (HC_BT_HDR *) p_mem; bt_vendor_op_result_t status = BT_VND_OP_RESULT_FAIL; if (*((uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_STATUS_RET_BYTE) == 0) { status = BT_VND_OP_RESULT_SUCCESS; } if (bt_vendor_cbacks) { bt_vendor_cbacks->lpm_cb(status); bt_vendor_cbacks->dealloc(p_evt_buf); } } #if (SCO_CFG_INCLUDED == TRUE) /***************************************************************************** ** SCO Configuration Static Functions *****************************************************************************/ /******************************************************************************* ** ** Function hw_sco_cfg_cback ** ** Description Callback function for SCO configuration rquest ** ** Returns None ** *******************************************************************************/ void hw_sco_cfg_cback(void *p_mem) { HC_BT_HDR *p_evt_buf = (HC_BT_HDR *) p_mem; uint8_t *p; uint16_t opcode; HC_BT_HDR *p_buf=NULL; p = (uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_OPCODE; STREAM_TO_UINT16(opcode,p); /* Free the RX event buffer */ if (bt_vendor_cbacks) bt_vendor_cbacks->dealloc(p_evt_buf); #if (!defined(SCO_USE_I2S_INTERFACE) || (SCO_USE_I2S_INTERFACE == FALSE)) if (opcode == HCI_VSC_WRITE_SCO_PCM_INT_PARAM) { uint8_t ret = FALSE; /* Ask a new buffer to hold WRITE_PCM_DATA_FORMAT_PARAM command */ if (bt_vendor_cbacks) p_buf = (HC_BT_HDR *) bt_vendor_cbacks->alloc(BT_HC_HDR_SIZE + \ HCI_CMD_PREAMBLE_SIZE + \ PCM_DATA_FORMAT_PARAM_SIZE); if (p_buf) { p_buf->event = MSG_STACK_TO_HC_HCI_CMD; p_buf->offset = 0; p_buf->layer_specific = 0; p_buf->len = HCI_CMD_PREAMBLE_SIZE + PCM_DATA_FORMAT_PARAM_SIZE; p = (uint8_t *) (p_buf + 1); UINT16_TO_STREAM(p, HCI_VSC_WRITE_PCM_DATA_FORMAT_PARAM); *p++ = PCM_DATA_FORMAT_PARAM_SIZE; memcpy(p, &bt_pcm_data_fmt_param, PCM_DATA_FORMAT_PARAM_SIZE); if ((ret = bt_vendor_cbacks->xmit_cb(HCI_VSC_WRITE_PCM_DATA_FORMAT_PARAM,\ p_buf, hw_sco_cfg_cback)) == FALSE) { bt_vendor_cbacks->dealloc(p_buf); } else return; } } #endif // !SCO_USE_I2S_INTERFACE if (bt_vendor_cbacks) bt_vendor_cbacks->scocfg_cb(BT_VND_OP_RESULT_SUCCESS); } #endif // SCO_CFG_INCLUDED /***************************************************************************** ** Hardware Configuration Interface Functions *****************************************************************************/ /******************************************************************************* ** ** Function hw_config_start ** ** Description Kick off controller initialization process ** ** Returns None ** *******************************************************************************/ void hw_config_start(void) { HC_BT_HDR *p_buf = NULL; uint8_t *p; hw_cfg_cb.state = 0; hw_cfg_cb.fw_fd = -1; hw_cfg_cb.f_set_baud_2 = FALSE; /* Start from sending HCI_RESET */ if (bt_vendor_cbacks) { p_buf = (HC_BT_HDR *) bt_vendor_cbacks->alloc(BT_HC_HDR_SIZE + \ HCI_CMD_PREAMBLE_SIZE); } if (p_buf) { p_buf->event = MSG_STACK_TO_HC_HCI_CMD; p_buf->offset = 0; p_buf->layer_specific = 0; p_buf->len = HCI_CMD_PREAMBLE_SIZE; p = (uint8_t *) (p_buf + 1); UINT16_TO_STREAM(p, HCI_RESET); *p = 0; /* parameter length */ hw_cfg_cb.state = HW_CFG_START; bt_vendor_cbacks->xmit_cb(HCI_RESET, p_buf, hw_config_cback); } else { if (bt_vendor_cbacks) { ALOGE("vendor lib fw conf aborted [no buffer]"); bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_FAIL); } } } /******************************************************************************* ** ** Function hw_lpm_enable ** ** Description Enalbe/Disable LPM ** ** Returns TRUE/FALSE ** *******************************************************************************/ uint8_t hw_lpm_enable(uint8_t turn_on) { HC_BT_HDR *p_buf = NULL; uint8_t *p; uint8_t ret = FALSE; if (bt_vendor_cbacks) p_buf = (HC_BT_HDR *) bt_vendor_cbacks->alloc(BT_HC_HDR_SIZE + \ HCI_CMD_PREAMBLE_SIZE + \ LPM_CMD_PARAM_SIZE); if (p_buf) { p_buf->event = MSG_STACK_TO_HC_HCI_CMD; p_buf->offset = 0; p_buf->layer_specific = 0; p_buf->len = HCI_CMD_PREAMBLE_SIZE + LPM_CMD_PARAM_SIZE; p = (uint8_t *) (p_buf + 1); UINT16_TO_STREAM(p, HCI_VSC_WRITE_SLEEP_MODE); *p++ = LPM_CMD_PARAM_SIZE; /* parameter length */ if (turn_on) { memcpy(p, &lpm_param, LPM_CMD_PARAM_SIZE); upio_set(UPIO_LPM_MODE, UPIO_ASSERT, 0); } else { memset(p, 0, LPM_CMD_PARAM_SIZE); upio_set(UPIO_LPM_MODE, UPIO_DEASSERT, 0); } if ((ret = bt_vendor_cbacks->xmit_cb(HCI_VSC_WRITE_SLEEP_MODE, p_buf, \ hw_lpm_ctrl_cback)) == FALSE) { bt_vendor_cbacks->dealloc(p_buf); } } if ((ret == FALSE) && bt_vendor_cbacks) bt_vendor_cbacks->lpm_cb(BT_VND_OP_RESULT_FAIL); return ret; } /******************************************************************************* ** ** Function hw_lpm_get_idle_timeout ** ** Description Calculate idle time based on host stack idle threshold ** ** Returns idle timeout value ** *******************************************************************************/ uint32_t hw_lpm_get_idle_timeout(void) { uint32_t timeout_ms; /* set idle time to be LPM_IDLE_TIMEOUT_MULTIPLE times of * host stack idle threshold (in 300ms/25ms) */ timeout_ms = (uint32_t)lpm_param.host_stack_idle_threshold \ * LPM_IDLE_TIMEOUT_MULTIPLE; if (strstr(hw_cfg_cb.local_chip_name, "BCM4325") != NULL) timeout_ms *= 25; // 12.5 or 25 ? else timeout_ms *= 300; return timeout_ms; } /******************************************************************************* ** ** Function hw_lpm_set_wake_state ** ** Description Assert/Deassert BT_WAKE ** ** Returns None ** *******************************************************************************/ void hw_lpm_set_wake_state(uint8_t wake_assert) { uint8_t state = (wake_assert) ? UPIO_ASSERT : UPIO_DEASSERT; upio_set(UPIO_BT_WAKE, state, lpm_param.bt_wake_polarity); } #if (SCO_CFG_INCLUDED == TRUE) /******************************************************************************* ** ** Function hw_sco_config ** ** Description Configure SCO related hardware settings ** ** Returns None ** *******************************************************************************/ void hw_sco_config(void) { HC_BT_HDR *p_buf = NULL; uint8_t *p, ret; #if (BLUETOOTH_HCI_USE_USB == TRUE) /* Nothing specific is required for SCO connection, return SUCCESS */ if (bt_vendor_cbacks) bt_vendor_cbacks->scocfg_cb(BT_VND_OP_RESULT_SUCCESS); return; #endif #if (!defined(SCO_USE_I2S_INTERFACE) || (SCO_USE_I2S_INTERFACE == FALSE)) uint16_t cmd_u16 = HCI_CMD_PREAMBLE_SIZE + SCO_PCM_PARAM_SIZE; #else uint16_t cmd_u16 = HCI_CMD_PREAMBLE_SIZE + SCO_I2SPCM_PARAM_SIZE; #endif if (bt_vendor_cbacks) p_buf = (HC_BT_HDR *) bt_vendor_cbacks->alloc(BT_HC_HDR_SIZE+cmd_u16); if (p_buf) { p_buf->event = MSG_STACK_TO_HC_HCI_CMD; p_buf->offset = 0; p_buf->layer_specific = 0; p_buf->len = cmd_u16; p = (uint8_t *) (p_buf + 1); #if (!defined(SCO_USE_I2S_INTERFACE) || (SCO_USE_I2S_INTERFACE == FALSE)) UINT16_TO_STREAM(p, HCI_VSC_WRITE_SCO_PCM_INT_PARAM); *p++ = SCO_PCM_PARAM_SIZE; memcpy(p, &bt_sco_param, SCO_PCM_PARAM_SIZE); cmd_u16 = HCI_VSC_WRITE_SCO_PCM_INT_PARAM; ALOGI("SCO PCM configure {%d, %d, %d, %d, %d}", bt_sco_param[0], bt_sco_param[1], bt_sco_param[2], bt_sco_param[3], \ bt_sco_param[4]); #else UINT16_TO_STREAM(p, HCI_VSC_WRITE_I2SPCM_INTERFACE_PARAM); *p++ = SCO_I2SPCM_PARAM_SIZE; memcpy(p, &bt_sco_param, SCO_I2SPCM_PARAM_SIZE); cmd_u16 = HCI_VSC_WRITE_I2SPCM_INTERFACE_PARAM; ALOGI("SCO over I2SPCM interface {%d, %d, %d, %d}", bt_sco_param[0], bt_sco_param[1], bt_sco_param[2], bt_sco_param[3]); #endif if ((ret=bt_vendor_cbacks->xmit_cb(cmd_u16, p_buf, hw_sco_cfg_cback)) \ == FALSE) { bt_vendor_cbacks->dealloc(p_buf); } else return; } if (bt_vendor_cbacks) { ALOGE("vendor lib scocfg aborted"); bt_vendor_cbacks->scocfg_cb(BT_VND_OP_RESULT_FAIL); } } #endif // SCO_CFG_INCLUDED /******************************************************************************* ** ** Function hw_set_patch_file_path ** ** Description Set the location of firmware patch file ** ** Returns 0 : Success ** Otherwise : Fail ** *******************************************************************************/ int hw_set_patch_file_path(char *p_conf_name, char *p_conf_value, int param) { strcpy(fw_patchfile_path, p_conf_value); return 0; } /******************************************************************************* ** ** Function hw_set_patch_file_name ** ** Description Give the specific firmware patch filename ** ** Returns 0 : Success ** Otherwise : Fail ** *******************************************************************************/ int hw_set_patch_file_name(char *p_conf_name, char *p_conf_value, int param) { strcpy(fw_patchfile_name, p_conf_value); return 0; } /******************************************************************************* ** ** Function hw_set_pre_patch_file_name ** ** Description Give the specific firmware pre-patch filename ** ** Returns 0 : Success ** Otherwise : Fail ** *******************************************************************************/ int hw_set_pre_patch_file_name(char *p_conf_name, char *p_conf_value, int param) { strcpy(fw_prepatch_name, p_conf_value); return 0; } #if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE) /******************************************************************************* ** ** Function hw_set_patch_settlement_delay ** ** Description Give the specific firmware patch settlement time in milliseconds ** ** Returns 0 : Success ** Otherwise : Fail ** *******************************************************************************/ int hw_set_patch_settlement_delay(char *p_conf_name, char *p_conf_value, int param) { fw_patch_settlement_delay = atoi(p_conf_value); return 0; } #endif //VENDOR_LIB_RUNTIME_TUNING_ENABLED